package Entity;
import java.io.Serializable;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
public class BookLatenessRecord implements Serializable
{
	private static final long serialVersionUID = 1L; 
	public String isbn="";
	public int late_days;
	public int NumOfBookLateness=0;
	public int sumOfLateDays=0;
	public double avgOfLateDays=0;
	public int medianOfLateDays=0;
	public BookLatenessRecord()
	{
		
	}
}
